What's the function of #histamine -1-receptors (H1Rs) on cortical astrocytes? @kiraposkanzer.bsky.social & co show that astrocytic H1R signaling modulates Ca2+ activity, extracellular adenosine & REM #sleep, revealing a key #astrocyte role in sleep-wake regulation @plosbiology.org 🧪 plos.io/4gRj9Ap